The present building facility management status in China resulted in many problems such as high energy consumption,failure of automation control,services failure and poor indoor air quality.Based on questionnaires and...The present building facility management status in China resulted in many problems such as high energy consumption,failure of automation control,services failure and poor indoor air quality.Based on questionnaires and interviews to professional engineers and building users,a comprehensive evaluation index system was established on facility management of high-rise office buildings.A Fuzzy AHP based upon hierarchy criteria system was established.A Fuzzy AHP Evaluation Model on Facility Management System was set up;α-cut analysis was introduced and incorporated with expert knowledge together,which made up the optimism index λ.The fuzzy optimum crisp weight of each criterion was resulted from data-mining.Case investigations were processed in high-rise office buildings in Shenyang.The results illustrated that indoor air quality,thermal comfort and life cycle cost were the most important indexes in the evaluation of Facility Management System of high rise office buildings.Residents in high-rise buildings in Shenyang pay less attention to maintenance management and environment protection.By comparison with the analysis result of Export Choice,Fuzzy AHP-based evaluation model could act as a scientific reference for the establishment of governmental standards in facility management area in building.展开更多
针对当前轨道交通接驳公交受共享电单车竞争影响,导致客流大幅流失的问题,为提升接驳公交的竞争力,对其服务质量进行研究和评估。首先,设计问卷对乘客满意度数据进行收集,利用随机森林算法获取接驳公交各服务指标在乘客视角下的客体重要...针对当前轨道交通接驳公交受共享电单车竞争影响,导致客流大幅流失的问题,为提升接驳公交的竞争力,对其服务质量进行研究和评估。首先,设计问卷对乘客满意度数据进行收集,利用随机森林算法获取接驳公交各服务指标在乘客视角下的客体重要度,通过层次分析法(analytic hierarchy process,AHP)得到各服务指标在专家视角下的主体重要度,并获取服务指标在与共享电单车竞争下的竞争重要度。其次,采用基于利益相关者视角的评价者权重确定方法对3种重要度进行加权组合,得到接驳公交服务指标综合重要度,构建重要性-绩效分析(importance-performance analysis,IPA)矩阵对指标进行改进优先级分类。最后,利用TOPSIS(technique for order preference by similarity to an ideal solution)结合综合重要度和满意度,确认待改进服务指标的具体优先度。结果表明:候车时间、换乘票价和乘车拥挤度是对提高轨道接驳公交服务质量最有效的3个指标,改进的优先度权重分别为0.368、0.235、0.164;其中候车时间在3种视角下都表现出高的重要度,是最需要优先改进的关键因素;换乘票价和乘车时间两个服务指标分别在专家和竞争视角下的重要度较高,表明除乘客感知外,其他视角也能揭示不同指标在提升服务质量中的关键作用。所提出的基于多视角下的服务指标重要度综合评估方法,以及改进优先度的量化,能更准确地评估接驳公交的服务质量并提供改进方向。展开更多
文摘The present building facility management status in China resulted in many problems such as high energy consumption,failure of automation control,services failure and poor indoor air quality.Based on questionnaires and interviews to professional engineers and building users,a comprehensive evaluation index system was established on facility management of high-rise office buildings.A Fuzzy AHP based upon hierarchy criteria system was established.A Fuzzy AHP Evaluation Model on Facility Management System was set up;α-cut analysis was introduced and incorporated with expert knowledge together,which made up the optimism index λ.The fuzzy optimum crisp weight of each criterion was resulted from data-mining.Case investigations were processed in high-rise office buildings in Shenyang.The results illustrated that indoor air quality,thermal comfort and life cycle cost were the most important indexes in the evaluation of Facility Management System of high rise office buildings.Residents in high-rise buildings in Shenyang pay less attention to maintenance management and environment protection.By comparison with the analysis result of Export Choice,Fuzzy AHP-based evaluation model could act as a scientific reference for the establishment of governmental standards in facility management area in building.
文摘针对当前轨道交通接驳公交受共享电单车竞争影响,导致客流大幅流失的问题,为提升接驳公交的竞争力,对其服务质量进行研究和评估。首先,设计问卷对乘客满意度数据进行收集,利用随机森林算法获取接驳公交各服务指标在乘客视角下的客体重要度,通过层次分析法(analytic hierarchy process,AHP)得到各服务指标在专家视角下的主体重要度,并获取服务指标在与共享电单车竞争下的竞争重要度。其次,采用基于利益相关者视角的评价者权重确定方法对3种重要度进行加权组合,得到接驳公交服务指标综合重要度,构建重要性-绩效分析(importance-performance analysis,IPA)矩阵对指标进行改进优先级分类。最后,利用TOPSIS(technique for order preference by similarity to an ideal solution)结合综合重要度和满意度,确认待改进服务指标的具体优先度。结果表明:候车时间、换乘票价和乘车拥挤度是对提高轨道接驳公交服务质量最有效的3个指标,改进的优先度权重分别为0.368、0.235、0.164;其中候车时间在3种视角下都表现出高的重要度,是最需要优先改进的关键因素;换乘票价和乘车时间两个服务指标分别在专家和竞争视角下的重要度较高,表明除乘客感知外,其他视角也能揭示不同指标在提升服务质量中的关键作用。所提出的基于多视角下的服务指标重要度综合评估方法,以及改进优先度的量化,能更准确地评估接驳公交的服务质量并提供改进方向。
